螺丝攻牙钻孔径和滚丝径对照表
各种制式螺纹攻牙钻孔径和滚造径对照表
各种制式螺纹攻牙钻孔径和滚造径对照表,太全了金属加工2015-10-17 关注作者原文地址本表所推选钻头孔径,是针对攻牙加工时,能够很容易的了解钻头直径;而依据市售之标准钻头所选定的。
在使用钻头的情况下,由于钻头的形状及尺寸、精度、被钻孔之材质等,对于所钻孔的尺寸,精度有很大影响,所以使用本表之钻孔径,若有不当之处,应实际状况适当的变更钻头直径,本表依据2级牙制订。
公制精螺纹规格标准径2级牙钻孔径最大最小M1.0×0.25 0.75 0.785 0.729M1.1×0.25 0.85 0.885 0.829M1.2×0.25 0.95 0.985 0.929M1.4×0.3 1.10 1.142 1.075M1.6×0.35 1.25 1.321 1.221M1.7×0.35 1.35 1.421 1.321M1.8×0.35 1.45 1.521 1.421M2.0×0.4 1.60 1.679 1.567M2.2×0.45 1.75 1.838 1.713M2.3×0.4 1.90 1.979 1.867M2.5×0.45 2.10 2.138 2.013M2.6×0.45 2.20 2.238 2.113M3.0×0.5 2.50 2.599 2.459M3.0×0.6 2.40 2.44 2.280M3.5×0.6 2.90 3.010 2.850M4.0×0.7 3.30 3.422 3.242M4.0×0.75 3.25 3.326 3.106M4.5×0.75 3.80 3.878 3.688M5.0×0.8 4.20 4.334 4.134M5.0×0.9 4.10 4.170 3.930M6.0×1.0 5.00 5.153 4.917M7.0×1.0 6.00 6.153 5.917M8.0×1.25 6.80 6.912 6.647M9.0×1.25 7.80 7.912 7.647M10×1.5 8.50 8.676 8.376M11×1.5 9.50 9.676 9.376M12×1.75 10.30 10.441 10.106M14×2.0 12.00 12.210 11.735M16×2.0 14.00 14.210 13.835M18×2.5 15.50 15.744 15.294M20×2.5 17.50 17.744 17.294M22×2.5 19.50 19.744 19.294M24×3.0 21.00 21.252 2.752M27×3.0 24.00 24.252 23.752M30×3.5 26.50 26.771 26.211公制细螺纹规格标准径2级牙钻孔径最大最小M1.0×0.2 0.80 0.821 0.783M1.1×0.2 0.90 0.921 0.883M1.2×0.2 1.00 1.021 0.983M1.4×0.2 1.20 1.221 0.183M1.6×0.2 1.40 1.421 1.383M1.7×0.2 1.45 1.500 1.460M1.8×0.2 1.60 1.621 1.583M2.0×0.25 1.75 1.785 1.729M2.2×0.25 1.95 1.985 1.929M2.3×0.25 2.05 2.061 2.001M2.5×0.35 2.20 2.221 2.121M2.6×0.35 2.20 2.246 2.186M3.0×0.35 2.70 2.721 2.621M3.5×0.35 3.20 3.221 3.121M4.0×0.5 3.50 3.599 3.459M4.5×0.5 4.00 4.099 3.959M5×0.5 4.50 4.599 4.459M5.5×0.5 5.00 5.099 4.959M6.0×0.75 5.30 5.378 5.188M6.0×0.5 5.50 5.550 5.400M7.0×0.75 6.30 6.378 61.88M7.0×0.5 6.50 6.550 64.00M8.0×1.0 7.00 7.153 6.917M8.0×0.75 7.30 7.378 7.188M8×0.5 7.50 7.520 7.400M9×1.0 8.00 8.153 7.917M9×0.75 8.30 8.378 8.188M10×1.25 8.80 8.912 8.647M10×1.0 9.00 9.153 8.917M10×0.75 9.30 9.378 9.188M10×0.5 9.50 9.520 9.400M11×1.0 10.00 10.153 9.917M11×0.75 10.30 10.378 10.188 M11×1.5 10.50 10.676 10.376M12×1.25 10.80 10.912 10.647 公制细螺纹规格标准径2级牙钻孔径最大最小M12×1.0 11.00 11.153 10.917M12×0.5 11.50 11.520 11.4M14×1.5 12.50 12.676 12.376M14×1.0 13.00 13.153 12.917 M15×1.5 13.50 13.676 13.376 M15×1.0 14.00 14.153 13.917 M16×1.5 14.50 14.676 14.376 M16×1.0 15.00 15.153 14.917 M17×1.5 15.50 15.676 15.376 M17×1.0 16.00 16.153 15.917 M18×2.0 16.00 16.210 15.835 M18×1.5 16.50 16.670 16.376 M18×1.0 17.00 17.153 16.917 M20×2.0 18.00 18.210 17.835 M20×1.5 18.50 18.676 18.376 M20×1.0 19.00 19.153 18.917 M20×2.0 20.00 20.210 19.835 M22×1.5 20.50 20.676 20.376 M22×1.0 21.00 21.153 20.917 M24×2.0 22.00 22.210 21.835 M24×1.5 22.50 22.676 22.376 M24×1.0 23.00 23.153 22.917 M25×2.0 23.00 23.210 22.835 M25×1.5 23.50 23.676 23.376 M25×1.0 24.00 24.153 23.917 M26×1.5 24.50 24.676 24.376 M27×2.0 25.00 25.210 24.835 M27×1.5 25.50 25.676 25.376 M27×1.0 26.00 26.153 25.917 M28×2.0 26.00 26.210 25.835 M28×1.5 26.50 26.676 26.376 M28×1.0 27.00 27.153 26.917 M30×3.0 27.00 27.252 26.752 M30×2.0 28.00 28.210 27.835 M30×1.5 28.50 28.676 28.376 M30×1.0 29.00 29.153 28.917 M32×2.0 30.00 30.210 29.835 M32×1.5 30.50 30.676 30.376 M33×3.0 30.00 30.252 29.752 M33×2.0 31.00 31.210 30.835 M33×1.5 31.50 31.376 31.376 M35×1.5 33.50 33.676 33.376 M36×3.0 33.00 33.252 32.752 M36×2.0 34.00 34.210 33.835 M36×1.5 34.50 34.676 34.376 美制细螺纹规格(UNF) 标准径2级牙钻孔径最大最小番数牙外径NO.0-80(1.524) 1.25 1.305 1.182 NO.1-72(1.854) 1.55 1.612 1.474 NO.2-64(2.184) 1.85 1.912 1.756 NO.3-56(2.515) 2.10 2.197 2.025 NO.4-48(2.845) 2.40 2.458 2.271 NO.5-44(3.175) 2.70 2.740 2.551 NO.6-40(3.505) 2.90 3.022 2.820 NO.8-36(4.166) 3.50 3.606 3.404 NO.10-32(4.826) 4.10 4.165 3.963 NO.12-28(5.846) 4.60 4.724 4.496 1/4 -28 5.50 5.588 5.3605/16 -24 6.90 7.035 6.7823/8 -24 8.50 8.636 8.3827/16 -20 9.90 10.033 9.7291/2 -20 11.50 11.607 11.3299/16 -18 12.90 13.081 12.7515/8 -18 14.50 14.681 14.3513/4 -16 17.50 14.678 17.3237/8 -14 20.50 20.675 20.2701 -12 23.20 23.571 23.1141-1/8 -12 26.50 26.746 26.2891-1/4 -12 29.50 29.921 29.4641-3/8 -12 32.80 33.096 32.4641-1/2 -12 36.00 36.270 35.814无屑丝攻钻孔径规格精度等级RH4.5.6 RH7.8 RH9M1.0×0.25 0.86 0.88 -M1.1×0.25 0.96 0.98 -M1.2×0.25 1.06 1.08 -M1.4×0.3 1.24 1.25 -M1.6×0.35 1.41 1.43 -M1.7×0.35 1.51 1.53 -M1.8×0.35 1.61 1.63 -M2.0×0.4 1.78 1.80 -M2.2×0.45 1.95 1.98 -M2.3×0.4 2.08 2.10 -M2.5×0.45 2.25 2.28 -M2.6×0.45 2.35 1.38 -M3.0×0.5 2.73 2.75 -M3.0×0.6 3.17 3.20 -M4.0×0.7 3.62 3.65 3.69M5.0×0.8 4.56 4.60 4.64M6.0×1.0 5.45 5.50 5.55M7.0×1.0 6.45 6.50 6.55M8.0×1.25 7.31 7.38 7.44M10×1.5 9.18 9.25 9.32M10×1.25 9.31 9.38 9.44M12×1.75 11.04 11.12 11.21M12×1.25 11.31 11.38 11.44注:无槽丝攻之钻孔径,在上表所列之数值,由于被加工材料之材质、硬度、形状、尺寸等之影响,多少会有所变动,因此参考上表之同时,亦请增减若干.美制管螺纹规格(UNEF) 标准径2级牙钻孔径最大最小NO.12 -32 4.70 4.826 4.6231/4 -32 5.60 5.690 5.4865/16 -32 7.10 7.264 7.0873/8 -32 8.70 8.865 8.6617/16 -28 10.20 10.338 10.1351/2 -28 11.80 11.938 11.7099/16 -28 13.20 13.386 13.1325/8 -24 14.80 14.986 14.7323/4 -20 17.80 17.958 17.6787/8 -20 21.00 21.133 20.8531 -20 24.00 24.308 24.028美制粗螺纹规格(UNC) 标准径2级牙钻孔径番数牙外径最大最小NO.1-64(1.854) 1.55 1.582 1.425NO.2-56(2.184) 1.80 1.871 1.695NO.3-48(2.515) 2.10 2.146 1.941NO.4-40(2.845) 2.30 2.385 2.157NO.5-40(3.175) 2.60 2.697 2.487NO.6-32(3.505) 2.80 2.895 2.642NO.8-32(4.166) 3.40 3.530 3.302NO.10-24(4.826) 3.90 3.962 3.682NO.12-24(5.846) 4.50 4.597 4.3441/4 -20 5.10 5.257 4.9795/16 -18 6.60 6.731 6.4013/8 -16 8.00 8.153 7.9877/16 -14 9.40 9.500 9.1441/2 -13 10.80 11.023 10.5929/16 -12 12.20 12.446 11.9895/8 -11 13.60 12.868 13.3863/4 -10 16.20 16.840 16.3071 -8 22.20 22.606 21.9711-1/8 -7 25.00 25.349 24.6381-1/4 -7 28.20 28.524 27.8131-3/8 -6 30.80 31.115 30.3531-1/2 -6 34.00 34.290 33.5281-3/4 -5 39.50 39.827 38.9642 -4-1/2 45.20 45.593 44.679英制螺纹规格钻孔径硬材软材W1/8 - 40 2.65 2.60W5/32 - 32 3.25 3.20W3/16 - 24 3.75 3.70W1/4 - 20 5.10 5.00W5/16 - 18 6.60 6.50W3/8 - 16 8.00 7.90W7/16 - 14 9.40 9.30W1/2 - 12 10.70 10.50W9/16 - 12 12.30 12.00W5/8 - 11 13.70 13.50W3/4 - 10 16.70 16.50W7/8 - 9 19.50 19.30W1 - 8 22.40 22.00W1-1/8 - 7 25.00 24.80W1-1/4 - 7 28.30 28.00英制管螺纹规格标准径钻孔径最大最小PS1/16 -28 6.50 6.632 6.490PS1/8 -28 8.50 8.637 8.495PS1/4 - 19 11.40 11.549 11.341PS3/8 - 19 15.00 15.054 14.846PS1/2 - 14 18.50 18.773 18.489PS3/4 - 14 24.00 24.259 23.975PS1 - 11 30.20 30.471 30.111PS1-1/4 -11 38.80 39.132 38.772PS1-1/2 -11 44.80 45.025 44.665PS2 - 11 56.50 56.836 56.476英制管螺纹规格标准径有效牙部之长度(最小)中之母螺牙内径标准长度(最小)中之母螺牙内径使用绞刀时不用绞刀时PT1/16 -28 6.10 6.2 6.244 6.384PT1/4 -19 10.70 11 10.962 11.174PT3/8 -19 14.20 14.5 14.448 14.658PT1/2 -14 17.60 18 17.979 18.263PT3/4 -14 23.00 23.5 23.378 23.663Pt1 -11 29.00 29.5 29.459 29.822PT1-1/4 -11 37.50 38 37.976 38.339 PT1-1/2 -11 43.40 44 43.869 44.232 Pt2 -11 54.90 55.5 55.412 55.844美制螺纹滚造径规格钻孔径NPT NPS使用绞刀时不用绞刀时1/16 -27 6.1 6.25 6.351/8 -27 8.33 8.43 8.741/4 -18 10.72 11.13 11.133/8 -18 14.27 14.27 14.681/2 -14 17.48 17.86 18.263/4 -14 22.63 23.01 23.421 -11-1/2 28.58 28.98 29.361-1/4-11-1/2 37.31 37.69 38.11-1/2-11-1/2 43.66 44.04 44.452 -11-1/2 55.58 55.96 56.36英制螺纹滚造径规格滚造径W 3/16 - 24 4.08 - 4.05W 1/4 - 20 5.51 - 5.46W 5/16 - 18 7.01 - 6.95W 3/8 - 16 8.48 - 8.41W 7/16 - 14 9.92 - 9.85W 1/2 - 12 11.31 - 11.24W 9/16 -12 12.89 - 12.82公制螺纹规格滚造径M3.0×0.5 2.63 2.60M3.0×0.6 2.56 2.53M3.5×0.6 3.06 3.03M4.0×0.7 3.49 3.45M4.0×0.75 3.45 3.41M4.5×0.75 3.96 3.92M5.0×0.8 4.43 4.38M5.0×0.9 4.36 4.31M6.0×1.0 5.30 5.25M7.0×1.0 6.30 6.25M8.0×1.0 7.28 - 7.23M8.0×1.25 7.12 - 7.07M9.0×1.25 8.12 - 8.07M10×1.25 9.10 - 9.04M10×1.5 8.97 - 8.91M11×1.5 9.97 - 9.91M12×1.5 10.92 - 10.87M12×1.75 10.79 - 10.73 M14×2.0 12.63 - 12.56M16×2.0 14.63 - 14.56M18×2.5 16.31 - 16.23M20×2.5 18.31 - 18.23M22×2.5 20.31 - 20.23针车用螺纹规格(UNC) 滚造径SM 1/8 40 2.735 -2.688 SM 1/8 44 2.769 -2.722 SM 9/64 40 3.128 -3.083 SM 11/64 40 3.855 -3.805 SM 3/16 32 4.205 -4.155 SM 3/16 28 4.143 -4.093 SM 7/32 32 5.003 -4.955 SM 15/64 28 5.325 -4.955 SM 1/4 40 5.890 -5.735 SM 1/4 28 5.721 -5.366 SM 9/32 28 6.528 -6.648 SM 11/32 28 8.092 -8.432 SM 3/8 29 8.880 -8.015 SM 7/16 30 10.466 -10.401 SM 7/16 16 10.037 -9.967 SM 1/2 20 11.819 -11.749 SM 9/16 20 13.400 -13.425 美制粗螺纹规格(UNC) 滚造径NO.5-40 2.70 - 2.67NO.6-32 2.95 - 2.91NO.8-32 3.60 - 3.57NO.10-24 4.09 - 4.05NO.12-24 4.75 - 4.701/4 -20 5.50 - 5.455/16 -18 6.98 - 6.933/8 -16 8.45 - 8.407/16 -14 9.89 - 9.831/2 -13 11.39 - 11.329/16 -12 12.87 - 12.80美制细螺纹规格(UNF) 滚造径NO.5-44 2.73 - 2.70NO.6-40 3.05 - 3.02NO.8-36 3.66 - 3.63NO.10-32 4.26 - 4.80NO.12-28 4.84 - 4.801/4 -28 5.72 - 5.685/16 -24 7.20 - 7.163/8 -24 8.79 - 8.747/16 -20 10.23 - 10.181/2 -20 11.82 - 11.76本表所推选钻头孔径,是针对攻牙加工时,能够很容易的了解钻头直径;而依据市售之标准钻头所选定的.在使用钻头的情况下,由于钻头的形状及尺寸,精度,被钻孔之材质等,对于所钻孔的尺寸,精度有很大影响,所以使用本表之钻孔径,若有不当之处,应实际状况适当的变更钻头直径,本表依据2级牙制订.公制精螺纹规格标准径2级牙钻孔径最大最小M1.0×0.25 0.75 0.785 0.729M1.1×0.25 0.85 0.885 0.829M1.2×0.25 0.95 0.985 0.929M1.4×0.3 1.10 1.142 1.075M1.6×0.35 1.25 1.321 1.221M1.7×0.35 1.35 1.421 1.321M1.8×0.35 1.45 1.521 1.421M2.0×0.4 1.60 1.679 1.567M2.2×0.45 1.75 1.838 1.713M2.3×0.4 1.90 1.979 1.867M2.5×0.45 2.10 2.138 2.013M2.6×0.45 2.20 2.238 2.113M3.0×0.5 2.50 2.599 2.459M3.0×0.6 2.40 2.44 2.280M3.5×0.6 2.90 3.010 2.850M4.0×0.7 3.30 3.422 3.242M4.0×0.75 3.25 3.326 3.106M4.5×0.75 3.80 3.878 3.688M5.0×0.8 4.20 4.334 4.134M5.0×0.9 4.10 4.170 3.930M6.0×1.0 5.00 5.153 4.917M7.0×1.0 6.00 6.153 5.917M8.0×1.25 6.80 6.912 6.647M9.0×1.25 7.80 7.912 7.647M10×1.5 8.50 8.676 8.376M11×1.5 9.50 9.676 9.376M12×1.75 10.30 10.441 10.106 M14×2.0 12.00 12.210 11.735M16×2.0 14.00 14.210 13.835M18×2.5 15.50 15.744 15.294M20×2.5 17.50 17.744 17.294M22×2.5 19.50 19.744 19.294M24×3.0 21.00 21.252 2.752M27×3.0 24.00 24.252 23.752M30×3.5 26.50 26.771 26.211公制细螺纹规格标准径2级牙钻孔径最大最小M1.0×0.2 0.80 0.821 0.783M1.1×0.2 0.90 0.921 0.883M1.2×0.2 1.00 1.021 0.983M1.4×0.2 1.20 1.221 0.183M1.6×0.2 1.40 1.421 1.383M1.7×0.2 1.45 1.500 1.460M1.8×0.2 1.60 1.621 1.583M2.0×0.25 1.75 1.785 1.729M2.2×0.25 1.95 1.985 1.929M2.3×0.25 2.05 2.061 2.001M2.5×0.35 2.20 2.221 2.121M2.6×0.35 2.20 2.246 2.186M3.0×0.35 2.70 2.721 2.621M3.5×0.35 3.20 3.221 3.121M4.0×0.5 3.50 3.599 3.459M4.5×0.5 4.00 4.099 3.959M5×0.5 4.50 4.599 4.459M5.5×0.5 5.00 5.099 4.959M6.0×0.75 5.30 5.378 5.188M6.0×0.5 5.50 5.550 5.400M7.0×0.75 6.30 6.378 61.88M7.0×0.5 6.50 6.550 64.00M8.0×1.0 7.00 7.153 6.917M8.0×0.75 7.30 7.378 7.188M8×0.5 7.50 7.520 7.400M9×1.0 8.00 8.153 7.917M9×0.75 8.30 8.378 8.188M10×1.25 8.80 8.912 8.647M10×1.0 9.00 9.153 8.917M10×0.5 9.50 9.520 9.400M11×1.0 10.00 10.153 9.917M11×0.75 10.30 10.378 10.188 M11×1.5 10.50 10.676 10.376M12×1.25 10.80 10.912 10.647 公制细螺纹规格标准径2级牙钻孔径最大最小M12×1.0 11.00 11.153 10.917M12×0.5 11.50 11.520 11.4M14×1.5 12.50 12.676 12.376M14×1.0 13.00 13.153 12.917M15×1.5 13.50 13.676 13.376M15×1.0 14.00 14.153 13.917M16×1.5 14.50 14.676 14.376M16×1.0 15.00 15.153 14.917M17×1.5 15.50 15.676 15.376M17×1.0 16.00 16.153 15.917M18×2.0 16.00 16.210 15.835M18×1.5 16.50 16.670 16.376M18×1.0 17.00 17.153 16.917M20×2.0 18.00 18.210 17.835M20×1.5 18.50 18.676 18.376M20×1.0 19.00 19.153 18.917M20×2.0 20.00 20.210 19.835M22×1.5 20.50 20.676 20.376M22×1.0 21.00 21.153 20.917M24×2.0 22.00 22.210 21.835M24×1.5 22.50 22.676 22.376M24×1.0 23.00 23.153 22.917M25×2.0 23.00 23.210 22.835M25×1.5 23.50 23.676 23.376M25×1.0 24.00 24.153 23.917M26×1.5 24.50 24.676 24.376M27×2.0 25.00 25.210 24.835M27×1.5 25.50 25.676 25.376M27×1.0 26.00 26.153 25.917M28×2.0 26.00 26.210 25.835M28×1.5 26.50 26.676 26.376M28×1.0 27.00 27.153 26.917M30×3.0 27.00 27.252 26.752M30×2.0 28.00 28.210 27.835M30×1.5 28.50 28.676 28.376M32×2.0 30.00 30.210 29.835M32×1.5 30.50 30.676 30.376M33×3.0 30.00 30.252 29.752M33×2.0 31.00 31.210 30.835M33×1.5 31.50 31.376 31.376M35×1.5 33.50 33.676 33.376M36×3.0 33.00 33.252 32.752M36×2.0 34.00 34.210 33.835M36×1.5 34.50 34.676 34.376美制细螺纹规格(UNF) 标准径2级牙钻孔径最大最小番数牙外径NO.0-80(1.524) 1.25 1.305 1.182 NO.1-72(1.854) 1.55 1.612 1.474 NO.2-64(2.184) 1.85 1.912 1.756 NO.3-56(2.515) 2.10 2.197 2.025 NO.4-48(2.845) 2.40 2.458 2.271 NO.5-44(3.175) 2.70 2.740 2.551 NO.6-40(3.505) 2.90 3.022 2.820 NO.8-36(4.166) 3.50 3.606 3.404 NO.10-32(4.826) 4.10 4.165 3.963 NO.12-28(5.846) 4.60 4.724 4.496 1/4 -28 5.50 5.588 5.3605/16 -24 6.90 7.035 6.7823/8 -24 8.50 8.636 8.3827/16 -20 9.90 10.033 9.7291/2 -20 11.50 11.607 11.3299/16 -18 12.90 13.081 12.7515/8 -18 14.50 14.681 14.3513/4 -16 17.50 14.678 17.3237/8 -14 20.50 20.675 20.2701 -12 23.20 23.571 23.1141-1/8 -12 26.50 26.746 26.2891-1/4 -12 29.50 29.921 29.4641-3/8 -12 32.80 33.096 32.4641-1/2 -12 36.00 36.270 35.814无屑丝攻钻孔径规格精度等级RH4.5.6 RH7.8 RH9M1.0×0.25 0.86 0.88 -M1.1×0.25 0.96 0.98 -M1.2×0.25 1.06 1.08 -M1.4×0.3 1.24 1.25 -M1.6×0.35 1.41 1.43 -M1.7×0.35 1.51 1.53 -M1.8×0.35 1.61 1.63 -M2.0×0.4 1.78 1.80 -M2.2×0.45 1.95 1.98 -M2.3×0.4 2.08 2.10 -M2.5×0.45 2.25 2.28 -M2.6×0.45 2.35 1.38 -M3.0×0.5 2.73 2.75 -M3.0×0.6 3.17 3.20 -M4.0×0.7 3.62 3.65 3.69M5.0×0.8 4.56 4.60 4.64M6.0×1.0 5.45 5.50 5.55M7.0×1.0 6.45 6.50 6.55M8.0×1.25 7.31 7.38 7.44M10×1.5 9.18 9.25 9.32M10×1.25 9.31 9.38 9.44M12×1.75 11.04 11.12 11.21M12×1.25 11.31 11.38 11.44注:无槽丝攻之钻孔径,在上表所列之数值,由于被加工材料之材质、硬度、形状、尺寸等之影响,多少会有所变动,因此参考上表之同时,亦请增减若干.美制管螺纹规格(UNEF) 标准径2级牙钻孔径最大最小NO.12 -32 4.70 4.826 4.6231/4 -32 5.60 5.690 5.4865/16 -32 7.10 7.264 7.0873/8 -32 8.70 8.865 8.6617/16 -28 10.20 10.338 10.1351/2 -28 11.80 11.938 11.7099/16 -28 13.20 13.386 13.1325/8 -24 14.80 14.986 14.7323/4 -20 17.80 17.958 17.6787/8 -20 21.00 21.133 20.8531 -20 24.00 24.308 24.028美制粗螺纹规格(UNC) 标准径2级牙钻孔径番数牙外径最大最小NO.1-64(1.854) 1.55 1.582 1.425NO.2-56(2.184) 1.80 1.871 1.695NO.3-48(2.515) 2.10 2.146 1.941NO.4-40(2.845) 2.30 2.385 2.157NO.5-40(3.175) 2.60 2.697 2.487NO.6-32(3.505) 2.80 2.895 2.642 NO.8-32(4.166) 3.40 3.530 3.302 NO.10-24(4.826) 3.90 3.962 3.682 NO.12-24(5.846) 4.50 4.597 4.344 1/4 -20 5.10 5.257 4.9795/16 -18 6.60 6.731 6.4013/8 -16 8.00 8.153 7.9877/16 -14 9.40 9.500 9.1441/2 -13 10.80 11.023 10.5929/16 -12 12.20 12.446 11.9895/8 -11 13.60 12.868 13.3863/4 -10 16.20 16.840 16.3077/8 -9 19.50 19.761 19.1771 -8 22.20 22.606 21.9711-1/8 -7 25.00 25.349 24.6381-1/4 -7 28.20 28.524 27.8131-3/8 -6 30.80 31.115 30.3531-1/2 -6 34.00 34.290 33.5281-3/4 -5 39.50 39.827 38.9642 -4-1/2 45.20 45.593 44.679英制螺纹规格钻孔径硬材软材W1/8 - 40 2.65 2.60W5/32 - 32 3.25 3.20W3/16 - 24 3.75 3.70W1/4 - 20 5.10 5.00W5/16 - 18 6.60 6.50W3/8 - 16 8.00 7.90W7/16 - 14 9.40 9.30W1/2 - 12 10.70 10.50W9/16 - 12 12.30 12.00W5/8 - 11 13.70 13.50W3/4 - 10 16.70 16.50W7/8 - 9 19.50 19.30W1 - 8 22.40 22.00W1-1/8 - 7 25.00 24.80W1-1/4 - 7 28.30 28.00英制管螺纹规格标准径钻孔径最大最小PS1/16 -28 6.50 6.632 6.490PS1/8 -28 8.50 8.637 8.495PS1/4 - 19 11.40 11.549 11.341PS3/8 - 19 15.00 15.054 14.846PS1/2 - 14 18.50 18.773 18.489PS3/4 - 14 24.00 24.259 23.975PS1 - 11 30.20 30.471 30.111PS1-1/4 -11 38.80 39.132 38.772PS1-1/2 -11 44.80 45.025 44.665PS2 - 11 56.50 56.836 56.476英制管螺纹规格标准径有效牙部之长度(最小)中之母螺牙内径标准长度(最小)中之母螺牙内径使用绞刀时不用绞刀时PT1/16 -28 6.10 6.2 6.244 6.384PT1/8 -28 8.10 8.2 8.249 8.388PT1/4 -19 10.70 11 10.962 11.174PT3/8 -19 14.20 14.5 14.448 14.658PT1/2 -14 17.60 18 17.979 18.263PT3/4 -14 23.00 23.5 23.378 23.663Pt1 -11 29.00 29.5 29.459 29.822PT1-1/4 -11 37.50 38 37.976 38.339PT1-1/2 -11 43.40 44 43.869 44.232Pt2 -11 54.90 55.5 55.412 55.844美制螺纹滚造径规格钻孔径NPT NPS使用绞刀时不用绞刀时1/16 -27 6.1 6.25 6.351/8 -27 8.33 8.43 8.741/4 -18 10.72 11.13 11.133/8 -18 14.27 14.27 14.681/2 -14 17.48 17.86 18.263/4 -14 22.63 23.01 23.421 -11-1/2 28.58 28.98 29.361-1/4-11-1/2 37.31 37.69 38.11-1/2-11-1/2 43.66 44.04 44.452 -11-1/2 55.58 55.96 56.36英制螺纹滚造径规格滚造径W 3/16 - 24 4.08 - 4.05W 1/4 - 20 5.51 - 5.46W 5/16 - 18 7.01 - 6.95W 3/8 - 16 8.48 - 8.41W 7/16 - 14 9.92 - 9.85W 1/2 - 12 11.31 - 11.24W 9/16 -12 12.89 - 12.82规格滚造径M3.0×0.5 2.63 2.60M3.0×0.6 2.56 2.53M3.5×0.6 3.06 3.03M4.0×0.7 3.49 3.45M4.0×0.75 3.45 3.41M4.5×0.75 3.96 3.92M5.0×0.8 4.43 4.38M5.0×0.9 4.36 4.31M6.0×1.0 5.30 5.25M7.0×1.0 6.30 6.25M8.0×1.0 7.28 - 7.23M8.0×1.25 7.12 - 7.07M9.0×1.25 8.12 - 8.07M10×1.25 9.10 - 9.04M10×1.5 8.97 - 8.91M11×1.5 9.97 - 9.91M12×1.5 10.92 - 10.87M12×1.75 10.79 - 10.73 M14×2.0 12.63 - 12.56M16×2.0 14.63 - 14.56M18×2.5 16.31 - 16.23M20×2.5 18.31 - 18.23M22×2.5 20.31 - 20.23针车用螺纹规格(UNC) 滚造径SM 1/8 40 2.735 -2.688 SM 1/8 44 2.769 -2.722 SM 9/64 40 3.128 -3.083 SM 11/64 40 3.855 -3.805 SM 3/16 32 4.205 -4.155 SM 3/16 28 4.143 -4.093 SM 7/32 32 5.003 -4.955 SM 15/64 28 5.325 -4.955 SM 1/4 40 5.890 -5.735 SM 1/4 28 5.721 -5.366 SM 9/32 28 6.528 -6.648 SM 11/32 28 8.092 -8.432 SM 3/8 29 8.880 -8.015 SM 7/16 30 10.466 -10.401 SM 7/16 16 10.037 -9.967 SM 1/2 20 11.819 -11.749 SM 9/16 20 13.400 -13.425规格(UNC) 滚造径NO.5-40 2.70 - 2.67NO.6-32 2.95 - 2.91NO.8-32 3.60 - 3.57NO.10-24 4.09 - 4.05NO.12-24 4.75 - 4.701/4 -20 5.50 - 5.455/16 -18 6.98 - 6.933/8 -16 8.45 - 8.407/16 -14 9.89 - 9.831/2 -13 11.39 - 11.329/16 -12 12.87 - 12.80美制细螺纹规格(UNF) 滚造径NO.5-44 2.73 - 2.70NO.6-40 3.05 - 3.02NO.8-36 3.66 - 3.63NO.10-32 4.26 - 4.80NO.12-28 4.84 - 4.801/4 -28 5.72 - 5.685/16 -24 7.20 - 7.163/8 -24 8.79 - 8.747/16 -20 10.23 - 10.181/2 -20 11.82 - 11.76来源:直观学机械推荐阅读1.钢价惨烈下跌风暴即将来临?不要以为和你没关系2.世界名刀大全,简直太漂亮了免责声明:本文系网络转载,版权归原作者所有。
螺纹攻牙钻孔径和滚造径对照表
1.40 1.421 1.383 NO.4-48(2.845) 2.40
1.45 1.500 1.460 NO.5-44(3.175) 2.70
1.60 1.621 1.583 NO.6-40(3.505) 2.90
1.75 1.785 1.729 NO.8-36(4.166) 3.50
1.95 1.985 1.929 NO.10-32(4.826) 4.10
螺丝攻牙钻孔径和滚造径对照表
公制粗螺纹
标准径
2级牙钻孔径
最大
最小
0.75
0.785
0.729
0.85
0.8850.829来自0.950.985
0.985
1.10
1.142
1.075
1.25
1.321
1.221
1.35
1.421
1.321
1.45
1.521
1.421
1.60
1.679
1.567
1.75
1.838
2.05 2.061 2.001 NO.12-28(5.846) 4.60
2.20 2.221 2.121
1/4-28
5.50
2.20 2.246 2.186
5/16-24
6.90
2.70 2.721 2.621
3/8-24
8.50
3.20 3.221 3.121
7/16-20
9.90
3.50 3.599 3.459
螺丝攻牙钻孔径和滚造径对照表
公制细螺纹
美制细螺纹
标准径
16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50
螺丝攻对照表
0.75 0.85 0.95 1.00 1.25 1.35 1.45 1.60 1.75 1.90 2.10 2.20 2.50 2.40 2.90 3.30 3.25 3.80 4.20 4.10 5.00 6.00 6.80 7.80 8.50 9.50 10.30 12.00 14.00 15.50 17.50 19.50 21.00 24.00 26.50
公制细螺纹
2级牙钻孔径 级牙钻孔径
公制迫牙丝攻钻孔径
精 度 等级
美制迫牙丝攻钻孔径
精 度 等级
规格 规格
英制螺纹
钻孔径 G9
8.81 10.30 11.82 10.54 12.13 W1/8 - 40
规格
最大 最小
0.729 0.829 0.929 1.075 1.221 1.321 1.421 1.567 1.713 1.867 2.013 2.113 2.459 2.280 2.850 3.242 3.106 3.688 4.134 3.930 4.917 5.917 6.647 7.647 8.376 9.376 10.160 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211 M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5 M15*1.0 M16.1.5 M16*1.0 M17*1.5 M17*1.0 M18*2.0 M18*1.5 M18*1.0 M20*2.0 M20*1.5 M20*1.0 M22*2.0 M22*1.5 M22*1.0 M24*2.0 M24*1.5 M24*1.0 M25*2.0 M25*1.5 M25*1.0 M26*1.5 M27*2.0 M27*1.5 M27*1.0 M28*2.0 M28*1.5 M28*1.0 M30*3.0 M30*2.0 M30*1.5 M30*1.0 M32*2.0 M32*1.5 M33*1.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5 最小 0.783 0.883 0.983 1.183 1.383 1.460 1.583 1.729 1.929 2.001 2.121 2.186 2.621 3.121 3.459 3.959 4.459 4.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.400 8.917 10.188 10.376 10.647 0.785 0.885 0.985 1.142 1.321 1.421 1.521 1.679 1.838 1.979 2.138 2.238 2.599 2.440 3.010 3.422 3.326 3.878 4.334 4.170 5.153 6.153 6.912 7.912 8.676 9.676 10.441 12.210 14.210 15.744 17.744 19.744 21.252 24.252 26.771
螺丝攻牙钻孔径和滚丝径对照表
螺丝攻牙钻孔径和滚丝径对照表公制粗螺纹美制粗螺纹规格标准径2 级牙钻孔径 最大 最小规格(UNC)标准径2 级牙钻孔径 最大 最小M1.0×0.25 0.75 0.785 0.729 NO.1-64(1.854)1.55 1.582 1.425M1.1×0.25 0.85 0.885 0.829 NO.2-56(2.184)1.80 1.871 1.695M1.2×0.25 0.95 0.985 0.985 NO.3-48(2.515)2.10 2.146 1.941M1.4×0.3 1.10 1.142 1.075 NO.4-40(2.845)2.30 2.385 2.157M1.6×0.35 1.25 1.321 1.221 NO.5-40(3.175)2.60 2.697 2.487M1.7×0.35 1.35 1.421 1.321 NO.6-32(3.505)2.80 2.895 2.642M1.8×0.35 1.45 1.521 1.421 NO8-32(4.166)3.40 3.53 3.302M2.0×0.4 1.60 1.679 1.567 NO.10-24(4.826)3.90 3.962 3.683M2.2×0.45 1.75 1.838 1.713 NO.12-24(5.486)4.50 4.597 4.344M2.3×0.4 1.90 1.979 1.867 1/4-205.10 5.257 4.979M2.5×0.45 2.10 2.138 2.013 5/16-186.60 6.731 6.401M2.6×0.45 2.20 2.238 2.113 3/8-168.00 8.153 7.798M3.0×0.5 2.50 2.599 2.459 7/16-149.40 9.55 9.144M3.0×0.6 2.40 2.440 2.280 1/2-1310.80 11.023 10.592M3.5×0.6 2.90 3.010 2.850 9/16-1212.20 12.446 11.989M4.0×0.7 3.30 3.422 3.242 5/8-1113.60 12.868 13.386M4.0×0.75 3.25 3.326 3.106 3/4-1016.50 18.840 16.3071M4.5×0.75 3.80 M5.0×0.8 4.20 M5.0×0.9 4.10 M6.0×1.0 5.00 M7.0×1.0 6.00 M8.0×1.25 6.80 M9.0×1.25 7.80 M10×1.5 8.50 M11×1.5 9.50 M12×1.75 10.30 M14×2.0 12.00 M16×2.0 14.00 M18×2.5 15.50 M20×2.5 17.50 M22×2.5 19.50 M24×3.0 21.00 M27×3.0 24.00 M30×3.5 26.50签名档:3.878 3.688 7/8-9 4.334 4.134 1 4.170 3.930 1-1/8-7 5.153 4.917 1-1/4-7 6.153 5.917 1-3/8-6 6.912 6.647 1-1/2-6 7.912 7.647 1-3/4-5 8.676 8.376 2-4-1/2 9.676 9.376 10.441 10.106 12.210 11.835 14.210 13.835 15.744 15.294 17.744 17.294 19.744 19.294 21.252 20.752 24.252 23.752 26.771 26.21119.50 22.20 25.00 28.20 30.80 34.00 39.50 45.2019.761 19.177 22.606 21.971 25.349 24.638 28.524 27.813 31.115 30.353 34.290 33.528 39.827 38.964 45.593 44.6792螺丝攻牙钻孔径和滚丝径对照表公制细螺纹美制细螺纹规格标准径2 级牙钻孔径 最大 最小规格(UNC)标准径2 级牙钻孔径 最大 最小M1.0×0.2 0.80 0.821 0.783 NO.0-80(1.524)1.25 1.305 1.182M1.1×0.2 0.90 0.921 0.883 NO.1-72(1.854)1.55 1.612 1.474M1.2×0.2 1.00 1.021 0.983 NO.2-64(2.184)1.85 1.912 1.756M1.4×0.2 1.20 1.221 1.183 NO.3-56(2.515)2.10 2.197 2.025M1.6×0.2 1.40 1.421 1.383 NO.4-48(2.845)2.40 2.458 2.271M1.7×0.2 1.45 1.500 1.460 NO.5-44(3.175)2.70 2.740 2.551M1.8×0.2 1.60 1.621 1.583 NO.6-40(3.505)2.90 3.022 2.820M2.0×0.25 1.75 1.785 1.729 NO.8-36(4.166)3.50 3.606 3.404M2.2×0.25 1.95 1.985 1.929 NO.10-32(4.826)4.104.165 3.963M2.3×0.25 2.05 2.061 2.001 NO.12-28(5.846)4.604.724 4.496M2.5×0.35 2.20 2.221 2.121 1/4-285.50 5.588 5.360M2.6×0.35 2.20 2.246 2.186 5/16-246.90 7.035 6.782M3.0×0.35 2.70 2.721 2.621 3/8-248.50 8.636 8.382M3.5×0.35 3.20 3.221 3.121 7/16-209.90 10.033 9.729M4.0×0.5 3.50 3.599 3.459 1/2-2011.50 11.607 11.329M4.5×0.5 4.00 4.099 3.959 9/16-1812.90 13.081 12.751M5.0×0.5 4.50 4.599 4.459 5/8-1814.50 14.681 14.3513M5.5×0.5 5.00 M6.0×0.75 5.30 M6.0×0.5 5.50 M7.0×0.75 6.30 M7.0×0.5 6.50 M8.0×1.0 7.00 M8.0×0.75 7.30 M8.0×0.5 7.50 M9.0×1.0 8.00 M9.0×0.75 8.30 M10×1.25 8.80 M10×1.0 9.00 M10×0.75 9.30 M10×0.5 9.505.099 5.378 5.550 6.378 6.550 7.153 7.378 7.520 8.153 8.378 8.912 9.153 9.378 9.5204.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.4003/4-16 7/8-14 1-12 1-1/8-12 1-1/4-12 1-3/8-12 1-1/2-1217.50 20.50 23.20 26.50 29.50 32.80 36.0017.678 17.323 20.675 20.270 23.571 23.114 26.746 26.289 29.921 29.464 33.096 32.639 36.271 35.814螺丝攻牙钻孔径和滚丝径对照表规格 M11×1.0公制细螺纹标准径2 级牙钻孔径 最大 最小10.00 10.153 9.917美制细螺纹规格(UNC)标准径2 级牙钻孔径 最大 最小4M11×0.75 M12×1.5 M12×1.25 M12×1.0 M12×0.5 M14×1.5 M14×1.0 M15×1.5 M15×1.0 M16×1.5 M16×1.0 M17×1.5 M17×1.0 M18×2.0 M18×1.5 M18×1.0 M20×2.0 M20×1.5 M20×1.0 M22×2.0 M22×1.510.30 10.50 10.80 11.00 11.50 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.5010.378 10.188 10.676 10.376 10.912 10.647 11.153 10.917 11.520 11.400 12.676 12.376 13.153 12.917 13.676 13.376 14.153 13.917 14.676 14.376 15.153 14.917 15.676 15.376 16.153 15.917 16.210 15.835 16.676 16.376 17.153 16.917 18.210 17.835 18.676 18.376 19.153 18.917 20.210 19.835 20.676 20.3765M22×1.0 M24×2.0 M24×1.5 M24×1.0 M25×2.0 M25×1.5 M25×1.0 M26×1.5 M27×2.0 M27×1.5 M27×1.0 M28×2.0 M28×1.5 M28×1.0 M30×3.0 M30×2.0 M30×1.5 M30×1.0 M32×2.0 M32×1.5 M33×3.021.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.0021.153 20.917 22.210 21.835 22.676 22.376 23.153 22.917 23.210 22.835 23.676 23.376 24.153 23.917 24.676 24.376 25.210 24.835 25.676 25.376 26.153 25.917 26.210 25.835 26.676 26.376 27.153 26.917 27.252 26.752 28.210 27.835 28.676 28.376 29.153 28.917 30.210 29.835 30.676 30.376 30.252 29.7526M33×2.0 M33×1.5 M35×1.5 M36×3.0 M36×2.0 M36×1.5 签名档:31.00 31.50 33.50 33.00 34.00 34.5031.210 30.835 31.676 31.376 33.676 33.376 33.252 32.752 34.210 33.835 34.676 34.376螺丝攻牙钻孔径和滚丝径对照表公制挤压丝攻钻孔径美制挤压丝攻钻孔径规格精度等级 G4-G6 G7-G8 G9规格(UNC)精度等级 G4-G6 G7-G8 G9M1.0×0.25 0.860.88- NO.2-56UNC1.94--M1.1×0.25 0.960.98- NO.3-482.23--M1.2×0.25 1.061.08- NO.4-402.50--M1.4×0.31.241.25-NO.5-402.83--M1.6×0.35 1.411.43- NO.6-323.07--M1.7×0.35 1.511.53- NO.8-323.733.77-M1.8×0.35 1.611.63- NO.10-244.244.3-7M2.0×0.4 M2.2×0.45 M2.3×0.4 M2.5×0.45 M2.6×0.45 M3.0×0.5 M3.5×0.6 M4.0×0.7 M5.0×0.8 M6.0×1.0 M7.0×1.0 M8.0×1.25 M10×1.5 M10×1.25 M12×1.75 M12×1.251.78 1.95 2.08 2.25 2.35 2.73 3.17 3.62 4.56 5.45 6.45 7.31 9.18 9.31 11.04 11.311.80 1.98 2.10 2.28 2.38 2.75 3.20 3.65 4.60 5.50 6.50 7.38 9.25 9.38 11.12 11.38- NO.12-24 - 1/4-20 - 5/16-18 - 3/8-16 - 7/16-14 - 1/2-13 - NO.2-64UNF 3.69 NO.3-56 4.64 NO.4-48 5.55 NO.5-44 6.55 NO.6-40 7.44 NO.8-36 9.32 NO.10-32 9.44 NO.12-28 11.21 1/4-28 11.44 5/16-243/8-24 7/16-20 1/2-204.904.96--5.72--7.24--8.748.81-10.20 10.30-11.27 11.821.97--2.27--2.56--2.86--3.16--3.78--4.394.43-4.995.04-5.855.90-7.367.41--9.00--10.48 10.54-12.07 12.13签名档:8规格NO.12-32 1/4 -32 5/16 -32 3/8 -32 7/16 -28 1/2 -28 9/16 -24 5/8 -24 3/4 -20 7/8 -20 1 -20 签名档:美制特细螺纹标准径2 级牙钻孔径最大最小4.704.8264.6235.605.6905.4867.107.2647.0878.708.8658.66110.2010.33810.13511.8011.93811.70913.2013.38613.13214.8014.98614.73217.8017.95817.67821.0021.13320.85324.0024.30824.028英制电器螺纹规格钻孔径2BA4.0-4.23BA4BA3.0-3.25BA2.7-2.86BA2.4-2.59螺丝攻牙钻孔径和滚丝径对照表英制螺纹公制螺纹针车用螺纹规格(UNEF)钻孔径 硬材 软材规格滚丝径规格滚丝径W 1/8 - 402.65 2.60 M3×0.52.63-2.60 SM1/8-402.735-2.688W 5/32 - 323.25 3.20 M3.0×0.6 2.56-2.53 SM1/8-442.769-2.722W 3/16 - 243.75 3.70 M3.5×0.6 3.06-3.03 SM9/64-40 3.128-3.083W 1/4 - 205.10 5.00 M4.0×0.7 3.49-3.45 SM11/64-40 3.855-3.805W 5/16 - 186.60 6.50 M4.0×0.75 3.45-3.41 SM3/16-32 4.205-4.155W 3/8 - 168.00 7.90 M4.5×0.75 3.96-3.92 SM3/16-28 4.143-4.093W 7/16 - 149.40 9.30 M5.0×0.8 4.43-4.38 SM7/32-32 5.003-4.955W 1/2 - 1210.70 10.50 M5.0×0.9 4.36-4.31 SM15/64-28 5.325-5.570W 9/16 - 1212.30 12.00 M6.0×1.0 5.30-5.25 SM1/4-405.890-5.735W 5/8 - 1113.70 13.50 M7.0×1.0 6.30-6.25 SM1/4-285.721-5.366W 3/4 - 1016.70 16.50 M8.0×1.0 7.28-7.23 SM9/32-28 6.508-6.648W 7/8 - 919.50 19.30 M8.0×1.25 7.12-7.07 SM11/32-28 8.092-8.432W1 - 822.40 22.00SM3/8-288.880-8.015W 1-1/8 - 725.00 24.80SM7/16-28 10.466-10.401W 1 - 1/4 - 7 28.30 28.00SM7/16-16 10.037-9.96710SM1/2-20 SM9/26-2011.819-11.749 13.400-13.425签名档:英制管螺纹英制管螺纹美制管螺纹规格钻孔径标准 径 最大 最小规格标准径 有交 标准牙部 长度之长 (最使用 不用 度(最 小)中绞刀 绞刀 小)中 之毋时 时 之毋 螺牙螺牙 内径内径规格钻孔径 NPT使用 不用 NPS绞刀 绞刀 时时PS 1/16 -PT 1/16 -6.50 6.632 6.4906.10 6.20 6.244 6.384 1/16 - 2728286.10 6.25 6.35PS 1/8 -PT 1/8 -8.50 8.637 8.4958.10 8.20 8.249 8.388 1/8 - 2728288.33 8.43 8.7411PS 1/4 -PT 1/4 -11.40 11.54911.34110.70 11.00 10.962 11.174 1/4 - 18191910.7211.13 11.13PS 3/8 -PT 3/8 -15.00 15.05414.84614.20 14.50 14.448 14.658 3/8 - 18191914.2714.27 14.68PS 1/2 -PT 1/2 -18.50 18.77318.48917.60 18.00 17.979 18.263 1/2 - 14141417.4817.86 18.26PS 3/4PT 3/4 -24.00 24.25923.97523.00 23.50 23.378 23.663 3/4 - 14-141422.6323.01 23.42PS 1 - 11 30.20 30.47130.111 PT 1- 11 29.00 29.50 29.459 29.822 1 - 11-1/2 28.5828.98 29.36PS 1-1/4PT 1-1/438.80 39.13238.77237.50 38.00 37.976 38.339 1-1/4-11-1/237.3137.69 38.10- 11- 11PS 1-1/2PT 1-1/244.80 45.02544.66543.40 44.00 43.869 44.232 1-1/2-11-1/243.6644.04 44.45- 11- 11PS 2 - 11 56.50 56.83656.476 PT 2 - 11 54.90 55.50 55.412 55.844 2 - 11 - 1/2 55.5855.96 56.36签名档:12英制螺纹螺母孔径英制螺圆 拄管纹螺纹螺纹直径 (英寸)每英寸 牙数钻头直径螺纹直钻头直(毫米)每英寸径(英径(毫铸铁、黄 钢、可锻牙数寸)米)铜、青铜 铸铁3/16243.83.91/8 288.81/4205.15.21/4 1911.75/16186.66.73/8 1915.23/81688.11/2 1418.91/21210.6 10.7 3/4 1424.45/81113.6 13.8 11130.63/41016.616.811/41139.27/8919.519.713/81141.61822.322.511/21145.111/872525.211/4728.2 28.411/263434.213/4539.5 39.7241/245.3 45.61314。
螺丝攻牙钻孔径和滚丝径对照表
21 24 26.5
M10×0.5 M11×1.0 M11×0.75 M12×1.5 M12×1.25 M12×1.0 M12×0.5 M14×1.5 M14×1.0 M15×1.5 M15×1.0 M16×1.5 M16×1.0 M17×1.5 M17×1.0 M18×2.0 M18×1.5 M18×1.0 M20×2.0 M20×1.5 M20×1.0 M22×2.0 M22×1.5 M22×1.0 M24×2.0 M24×1.5 M24×1.0 M25×2.0 M25×1.5 M25×1.0 M26×1.5 M27×2.0 M27×1.5 M27×1.0 M28×2.0 M28×1.5 M28×1.0 M30×3.0 M30×2.0 M30×1.5 M30×1.0 M32×2.0 M32×1.5 M33×3.0 M33×2.0 M33×1.5 M35×1.5
M36×3.0 M36×2.0 M36×1.5
33 34 34.5
33.252 34.21 34.676
32.752 33.835 34.376
螺丝攻牙钻孔径和滚丝径对照表 公制挤压丝攻钻孔径 美制挤压丝攻钻孔径 精度等级 精度等级 规格 规格(UNC) G4-G6 G4-G6 G7-G8 G9 G7-G8 M1.0×0.25 0.86 0.88 - NO.2-56UNC 1.94 - M1.1×0.25 0.96 0.98 - NO.3-48 2.23 - M1.2×0.25 1.06 1.08 - NO.4-40 2.5 - M1.4×0.3 1.24 1.25 - NO.5-40 2.83 - M1.6×0.35 1.41 1.43 - NO.6-32 3.07 - M1.7×0.35 1.51 1.53 - NO.8-32 3.73 3.77 M1.8×0.35 1.61 1.63 - NO.10-24 4.24 4.3 M2.0×0.4 1.78 1.8 - NO.12-24 4.9 4.96 M2.2×0.45 1.95 1.98 - 2001-4-20 - 5.72 M2.3×0.4 2.08 2.1 - 5/16-18 - 7.24 M2.5×0.45 2.25 2.28 - 2003-8-16 - 8.74 M2.6×0.45 2.35 2.38 - 7/16-14 - 10.2 M3.0×0.5 2.73 2.75 - 2001-2-13 - 11.27 M3.5×0.6 3.17 3.2 - NO.2-64UNF 1.97 - M4.0×0.7 3.62 3.65 3.69 NO.3-56 2.27 - M5.0×0.8 4.56 4.6 4.64 NO.4-48 2.56 - M6.0×1.0 5.45 5.5 5.55 NO.5-44 2.86 - M7.0×1.0 6.45 6.5 6.55 NO.6-40 3.16 - M8.0×1.25 7.31 7.38 7.44 NO.8-36 3.78 - M10×1.5 9.18 9.25 9.32 NO.10-32 4.39 4.43 M10×1.25 9.31 9.38 9.44 NO.12-28 4.99 5.04 M12×1.75 11.04 11.12 11.21 2001-4-28 5.85 5.9 M12×1.25 11.31 11.38 11.44 5/16-24 7.36 7.41 2003-8-24 - 9 7/16-20 - 10.48 2001-2-20 - 12.07 美制特细螺纹 2级牙钻孔径 标准径 最大 最小 4.7 4.826 4.623 5.6 5.69 5.486 7.1 7.264 7.087 8.7 8.865 8.661 10.2 10.338 10.135 11.8 11.938 11.709 13.2 13.386 13.132 14.8 14.986 14.732 17.8 17.958 17.678 英制电器螺纹 规格 2BA 3BA 4BA 5BA 6BA 钻孔径 4.0-4.2 3.0-3.2 2.7-2.8 2.4-2.5
螺丝攻牙钻孔径和滚丝径对照表
螺丝攻牙钻孔径和滚丝径对照表螺丝攻牙钻孔径和滚丝径对照表公制粗螺纹美制粗螺纹规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M1.0×0.25 0.75 0.785 0.729NO.1-64(1.854) 1.55 1.582 1.425M1.1×0.25 0.85 0.885 0.829NO.2-56(2.184) 1.80 1.871 1.695M1.2×0.25 0.95 0.985 0.985NO.3-48(2.515) 2.10 2.146 1.941M1.4×0.3 1.10 1.142 1.075NO.4-40(2.845) 2.30 2.385 2.157M1.6×0.35 1.25 1.321 1.221NO.5-40(3.175) 2.60 2.697 2.487M1.7×0.35 1.35 1.421 1.321NO.6-32(3.505) 2.80 2.895 2.642M1.8×0.35 1.45 1.521 1.421NO8-32(4.166) 3.40 3.53 3.302M2.0×0.4 1.60 1.679 1.567NO.10-24(4.826) 3.90 3.962 3.683M2.2×0.45 1.75 1.838 1.713NO.12-24(5.486) 4.50 4.597 4.344M2.3×0.4 1.90 1.979 1.867 1/4-20 5.10 5.257 4.979M2.5×0.45 2.10 2.138 2.013 5/16-18 6.60 6.731 6.401M2.6×0.45 2.20 2.238 2.113 3/8-16 8.00 8.153 7.798M3.0×0.5 2.50 2.599 2.459 7/16-14 9.40 9.55 9.144M3.0×0.6 2.40 2.440 2.280 1/2-13 10.80 11.023 10.592M3.5×0.6 2.90 3.010 2.850 9/16-12 12.20 12.446 11.989M4.0×0.7 3.30 3.422 3.242 5/8-11 13.60 12.868 13.386M4.0×0.75 3.25 3.326 3.106 3/4-10 16.50 18.840 16.307M4.5×0.75 3.80 3.878 3.688 7/8-9 19.50 19.761 19.177M5.0×0.8 4.20 4.334 4.134 1 22.2022.606 21.971M5.0×0.9 4.10 4.170 3.930 1-1/8-7 25.00 25.349 24.638M6.0×1.0 5.00 5.153 4.917 1-1/4-7 28.20 28.524 27.813M7.0×1.0 6.00 6.153 5.917 1-3/8-6 30.80 31.115 30.353M8.0×1.25 6.80 6.912 6.647 1-1/2-6 34.00 34.290 33.528M9.0×1.25 7.80 7.912 7.647 1-3/4-5 39.50 39.827 38.964M10×1.5 8.50 8.676 8.376 2-4-1/2 45.20 45.593 44.679M11×1.5 9.50 9.676 9.376M12×1.75 10.30 10.441 10.106M14×2.0 12.00 12.210 11.835M16×2.0 14.00 14.210 13.835M18×2.5 15.50 15.744 15.294M20×2.5 17.50 17.744 17.294M22×2.5 19.50 19.744 19.294M24×3.0 21.00 21.252 20.752M27×3.0 24.00 24.252 23.752M30×3.5 26.50 26.771 26.211螺丝攻牙钻孔径和滚丝径对照表公制细螺纹美制细螺纹规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M1.0×0.2 0.80 0.821 0.783 NO.0-80(1.524) 1.25 1.305 1.182M1.1×0.2 0.90 0.921 0.883 NO.1-72(1.854) 1.55 1.612 1.474M1.2×0.2 1.00 1.021 0.983 NO.2-64(2.184) 1.85 1.912 1.756M1.4×0.2 1.20 1.221 1.183 NO.3-56(2.515) 2.10 2.197 2.025M1.6×0.2 1.40 1.421 1.383 NO.4-48(2.845) 2.40 2.458 2.271M1.7×0.2 1.45 1.500 1.460NO.5-44(3.175) 2.70 2.740 2.551M1.8×0.2 1.60 1.621 1.583NO.6-40(3.505) 2.90 3.022 2.820M2.0×0.25 1.75 1.785 1.729NO.8-36(4.166) 3.50 3.606 3.404M2.2×0.25 1.95 1.985 1.929NO.10-32(4.826) 4.10 4.165 3.963M2.3×0.25 2.05 2.061 2.001NO.12-28(5.846) 4.60 4.724 4.496M2.5×0.35 2.20 2.221 2.121 1/4-28 5.50 5.588 5.360M2.6×0.35 2.20 2.246 2.186 5/16-24 6.90 7.035 6.782M3.0×0.35 2.70 2.721 2.621 3/8-24 8.50 8.636 8.382M3.5×0.35 3.20 3.221 3.121 7/16-20 9.90 10.033 9.729M4.0×0.5 3.50 3.599 3.459 1/2-20 11.50 11.607 11.329M4.5×0.5 4.00 4.099 3.959 9/16-18 12.90 13.081 12.751M5.0×0.5 4.50 4.599 4.459 5/8-18 14.50 14.681 14.351M5.5×0.5 5.00 5.099 4.959 3/4-16 17.50 17.678 17.323M6.0×0.75 5.30 5.378 5.188 7/8-14 20.50 20.675 20.270M6.0×0.5 5.50 5.550 5.400 1-12 23.20 23.571 23.114M7.0×0.75 6.30 6.378 6.188 1-1/8-12 26.50 26.746 26.289M7.0×0.5 6.50 6.550 6.400 1-1/4-1229.50 29.921 29.464M8.0×1.0 7.00 7.153 6.917 1-3/8-12 32.80 33.096 32.639M8.0×0.75 7.30 7.378 7.188 1-1/2-12 36.00 36.271 35.814M8.0×0.5 7.50 7.520 7.400M9.0×1.0 8.00 8.153 7.917M9.0×0.75 8.30 8.378 8.188M10×1.25 8.80 8.912 8.647M10×1.0 9.00 9.153 8.917M10×0.75 9.30 9.378 9.188M10×0.5 9.50 9.520 9.400M11×1.0 10.00 10.153 9.917M11×0.75 10.30 10.378 10.188M12×1.5 10.50 10.676 10.376M12×1.25 10.80 10.912 10.647M12×0.5 11.50 11.520 11.400 M14×1.5 12.50 12.676 12.376 M14×1.0 13.00 13.153 12.917 M15×1.5 13.50 13.676 13.376 M15×1.0 14.00 14.153 13.917 M16×1.5 14.50 14.676 14.376 M16×1.0 15.00 15.153 14.917 M17×1.5 15.50 15.676 15.376 M17×1.0 16.00 16.153 15.917 M18×2.0 16.00 16.210 15.835 M18×1.5 16.50 16.676 16.376 M18×1.0 17.00 17.153 16.917 M20×2.0 18.00 18.210 17.835 M20×1.5 18.50 18.676 18.376 M20×1.0 19.00 19.153 18.917 M22×2.0 20.00 20.210 19.835 M22×1.5 20.50 20.676 20.376 M22×1.0 21.00 21.153 20.917M24×1.5 22.50 22.676 22.376 M24×1.0 23.00 23.153 22.917 M25×2.0 23.00 23.210 22.835 M25×1.5 23.50 23.676 23.376 M25×1.0 24.00 24.153 23.917 M26×1.5 24.50 24.676 24.376 M27×2.0 25.00 25.210 24.835 M27×1.5 25.50 25.676 25.376 M27×1.0 26.00 26.153 25.917 M28×2.0 26.00 26.210 25.835 M28×1.5 26.50 26.676 26.376 M28×1.0 27.00 27.153 26.917 M30×3.0 27.00 27.252 26.752 M30×2.0 28.00 28.210 27.835 M30×1.5 28.50 28.676 28.376 M30×1.0 29.00 29.153 28.917 M32×2.0 30.00 30.210 29.835 M32×1.5 30.50 30.676 30.376M33×3.0 30.00 30.252 29.752M33×2.0 31.00 31.210 30.835M33×1.5 31.50 31.676 31.376M35×1.5 33.50 33.676 33.376M36×3.0 33.00 33.252 32.752M36×2.0 34.00 34.210 33.835M36×1.5 34.50 34.676 34.376螺丝攻牙钻孔径和滚丝径对照表公制挤压丝攻钻孔径美制挤压丝攻钻孔径规格精度等级规格(UNC)精度等级G4-G6 G7-G8 G9 G4-G6 G7-G8 G9M1.0×0.25 0.86 0.88 -NO.2-56UNC 1.94 --M1.1×0.25 0.96 0.98 -NO.3-48 2.23 --M1.2×0.25 1.06 1.08 -NO.4-40 2.50 --M1.4×0.3 1.24 1.25 -NO.5-40 2.83 --M1.6×0.35 1.41 1.43 -NO.6-32 3.07 ---M1.8×0.35 1.61 1.63 -NO.10-24 4.24 4.3 -M2.0×0.4 1.78 1.80 -NO.12-24 4.90 4.96 -M2.2×0.45 1.95 1.98 -1/4-20 -5.72 -M2.3×0.4 2.08 2.10 -5/16-18 -7.24 -M2.5×0.45 2.25 2.28 -3/8-16 -8.74 8.81 M2.6×0.45 2.35 2.38 -7/16-14 -10.20 10.30M3.0×0.5 2.73 2.75 -1/2-13 -11.27 11.82M3.5×0.6 3.17 3.20 -NO.2-64UNF 1.97--M4.0×0.7 3.62 3.65 3.69 NO.3-56 2.27 --M5.0×0.8 4.56 4.60 4.64 NO.4-48 2.56 ---M7.0×1.0 6.45 6.50 6.55 NO.6-40 3.16 --M8.0×1.25 7.31 7.38 7.44 NO.8-36 3.78 --M10×1.5 9.18 9.25 9.32 NO.10-32 4.394.43 -M10×1.25 9.31 9.38 9.44 NO.12-28 4.99 5.04 -M12×1.75 11.04 11.12 11.21 1/4-28 5.85 5.90 -M12×1.25 11.31 11.38 11.44 5/16-24 7.36 7.41 -3/8-24 -9.00 -7/16-20 -10.48 10.541/2-20 -12.07 12.13美制特细螺纹英制电器螺纹规格标准径2级牙钻孔径规格钻孔径最大最小NO.12-32 4.70 4.826 4.623 2BA 4.0-4.2 1/4 -32 5.60 5.690 5.486 3BA5/16 -32 7.10 7.264 7.087 4BA 3.0-3.2 3/8 -32 8.70 8.865 8.661 5BA 2.7-2.8 7/16 -28 10.20 10.338 10.135 6BA 2.4-2.51/2 -28 11.80 11.938 11.7099/16 -24 13.20 13.386 13.1325/8 -24 14.80 14.986 14.7323/4 -20 17.80 17.958 17.6787/8 -20 21.00 21.133 20.8531 -20 24.00 24.308 24.028螺丝攻牙钻孔径和滚丝径对照表英制螺纹公制螺纹针车用螺纹规格(UNEF) 钻孔径规格滚丝径规格滚丝径硬材软材W 1/8 - 40 2.65 2.60 M3×0.5 2.63-2.60SM1/8-40 2.735-2.688W 5/32 - 32 3.25 3.20 M3.0×0.6 2.56-2.53 SM1/8-44 2.769-2.722W 3/16 - 24 3.75 3.70 M3.5×0.6 3.06-3.03 SM9/64-40 3.128-3.083W 1/4 - 20 5.10 5.00 M4.0×0.7 3.49-3.45 SM11/64-40 3.855-3.805W 5/16 - 18 6.60 6.50 M4.0×0.75 3.45-3.41 SM3/16-32 4.205-4.155W 3/8 - 16 8.00 7.90 M4.5×0.75 3.96-3.92 SM3/16-28 4.143-4.093W 7/16 - 14 9.40 9.30 M5.0×0.8 4.43-4.38 SM7/32-32 5.003-4.955W 1/2 - 12 10.70 10.50 M5.0×0.9 4.36-4.31 SM15/64-28 5.325-5.570W 9/16 - 12 12.30 12.00 M6.0×1.05.30-5.25 SM1/4-40 5.890-5.735W 5/8 - 11 13.70 13.50 M7.0×1.0 6.30-6.25 SM1/4-28 5.721-5.366W 3/4 - 10 16.70 16.50 M8.0×1.0 7.28-7.23 SM9/32-28 6.508-6.648W 7/8 - 9 19.50 19.30 M8.0×1.25 7.12-7.07 SM11/32-28 8.092-8.432W1 - 8 22.40 22.00 SM3/8-288.880-8.015W 1-1/8 - 7 25.00 24.80 SM7/16-28 10.466-10.401W 1 - 1/4 - 7 28.30 28.00 SM7/16-16 10.037-9.967SM1/2-20 11.819-11.749SM9/26-20 13.400-13.425英制管螺纹英制管螺纹美制管螺纹规格标准径钻孔径规格标准径有交牙部之长度(最小)中之毋螺牙内径标准长度(最小)中之毋螺牙内径规格钻孔径最大最小使用绞刀时不用绞刀时NPT NPS 使用绞刀时不用绞刀时PS 1/16 - 28 6.50 6.632 6.490 PT 1/16 - 28 6.10 6.20 6.244 6.384 1/16 - 27 6.10 6.25 6.35PS 1/8 - 28 8.50 8.637 8.495 PT 1/8 - 28 8.10 8.20 8.249 8.388 1/8 - 27 8.33 8.43 8.74PS 1/4 - 19 11.40 11.549 11.341 PT 1/4 - 19 10.70 11.00 10.962 11.174 1/4 - 18 10.72 11.13 11.13PS 3/8 - 19 15.00 15.054 14.846 PT 3/8 - 19 14.20 14.50 14.448 14.658 3/8 - 18 14.27 14.27 14.68PS 1/2 - 14 18.50 18.773 18.489 PT 1/2 - 14 17.60 18.00 17.979 18.263 1/2 - 14 17.48 17.86 18.26PS 3/4 -14 24.00 24.259 23.975 PT 3/4 - 14 23.00 23.50 23.378 23.663 3/4 - 14 22.63 23.01 23.42PS 1 - 11 30.20 30.471 30.111 PT 1- 11 29.00 29.50 29.459 29.822 1 - 11-1/2 28.58 28.98 29.36PS 1-1/4 - 11 38.80 39.132 38.772 PT 1-1/4 - 11 37.50 38.00 37.976 38.3391-1/4-11-1/2 37.31 37.69 38.10PS 1-1/2 - 11 44.80 45.025 44.665 PT 1-1/2 - 11 43.40 44.00 43.869 44.2321-1/2-11-1/2 43.66 44.04 44.45PS 2 - 11 56.50 56.836 56.476 PT 2 - 11 54.90 55.50 55.412 55.844 2 - 11 - 1/2 55.58 55.96 56.36。
螺丝攻牙钻孔径和滚造径对照表
本表所推选之钻头孔径,是针对攻牙加工时,能够很容易的了解钻孔直径;而依据市售之标准钻头所选定的。在使用钻头的情况下,由于钻头的形状及尺寸、精度、被钻孔之材质等,对于所钻孔的尺寸、 精度有很大的影响,所以使用本表之钻孔径,若有不当之处,应视实际状况适当的变更钻头直径。本表是依据2级牙制订。
英制锥管螺纹
标 6.10 8.10 10.70 14.20 17.60 23.00 29.00 37.50 43.40 54.90 准 径 6.20 8.20 11.00 14.50 18.00 23.50 29.50 38.00 44.00 55.50
No.10- 32 No.12- 28 1/4 5/16 3/8 7/16 1/2
PS 1/16 - 28 PS 1/8 PS 1/4 PS 3/8 PS 1/2 PS 3/4 PS 1 - 28 - 19 - 19 - 14 - 14 - 11
- 28 5.72 - 5.68 - 24 7.20 - 7.16 - 24 8.79 - 8.74 - 20 10.23-10.18 - 20 11.82-11.76
公 制 细 螺 纹
格 标准径 11.00 11.50 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50 2级牙钻孔径 最 大 11.153 11.520 12.676 13.153 13.676 14.153 14.676 15.153 15.676 16.153 16.210 16.676 17.153 18.210 18.676 19.153 20.210 20.676 21.153 22.210 22.676 23.153 23.210 23.676 24.153 24.676 25.210 25.676 26.153 26.210 26.676 27.153 27.252 28.210 28.676 29.153 30.210 30.676 30.252 31.210 31.676 33.676 33.252 34.210 34.676 最 小 10.917 11.400 12.376 12.917 13.376 13.917 14.376 14.917 15.376 15.917 15.835 16.376 16.917 17.835 18.376 18.917 19.835 20.376 20.917 21.835 22.376 22.917 22.835 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 29.752 30.835 31.376 33.376 32.752 33.835 34.376 M12×1.00 M12×0.50 M14×1.50 M14×1.00 M15×1.50 M15×1.00 M16×1.50 M16×1.00 M17×1.50 M17×1.00 M18×2.00 M18×1.50 M18×1.00 M20×2.00 M20×1.50 M20×1.00 M22×2.00 M22×1.50 M22×1.00 M24×2.00 M24×1.50 M24×1.00 M25×2.00 M25×1.50 M25×1.00 M26×1.50 M27×2.00 M27×1.50 M27×1.00 M28×2.00 M28×1.50 M28×1.00 M30×3.00 M30×2.00 M30×1.50 M30×1.00 M32×2.00 M32×1.50 M33×3.00 M33×2.00 M33×1.50 M35×1.50 M36×3.00 M36×2.00 M36×1.50 最 小 0.783 0.883 0.983 1.183 1.383 1.460 1.583 1.729 1.929 2.001 2.121 2.186 2.621 3.121 3.459 3.959 4.459 4.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.400 9.917 10.188 10.376 10.647
螺丝攻牙钻孔径和滚造径对照表
最大最小最大最小M1.0×0.250.750.7850.729NO.1-64(1.854) 1.55 1.582 1.425M1.1×0.250.850.8850.829NO.2-56(2.184) 1.80 1.871 1.695M1.2×0.250.950.9850.985NO.3-48(2.515) 2.10 2.146 1.941M1.4×0.3 1.10 1.142 1.075NO.4-40(2.845) 2.30 2.385 2.157M1.6×0.35 1.25 1.321 1.221NO.5-40(3.175) 2.60 2.697 2.487M1.7×0.35 1.35 1.421 1.321NO.6-32(3.505) 2.80 2.895 2.642M1.8×0.35 1.45 1.521 1.421NO8-32(4.166) 3.40 3.53 3.302M2.0×0.4 1.60 1.679 1.567NO.10-24(4.826) 3.90 3.962 3.683M2.2×0.45 1.75 1.838 1.713NO.12-24(5.486) 4.50 4.597 4.344M2.3×0.4 1.90 1.979 1.8671/4-20 5.10 5.257 4.979M2.5×0.45 2.10 2.138 2.0135/16-18 6.60 6.731 6.401M2.6×0.45 2.20 2.238 2.1133/8-168.008.1537.798M3.0×0.5 2.50 2.599 2.4597/16-149.409.559.144M3.0×0.6 2.40 2.440 2.2801/2-1310.8011.02310.592M3.5×0.6 2.90 3.010 2.8509/16-1212.2012.44611.989M4.0×0.7 3.30 3.422 3.2425/8-1113.6012.86813.386M4.0×0.75 3.25 3.326 3.1063/4-1016.5018.84016.307M4.5×0.75 3.80 3.878 3.6887/8-919.5019.76119.177M5.0×0.8 4.20 4.334 4.134122.2022.60621.971M5.0×0.9 4.10 4.170 3.9301-1/8-725.0025.34924.638M6.0×1.0 5.00 5.153 4.9171-1/4-728.2028.52427.813M7.0×1.0 6.00 6.153 5.9171-3/8-630.8031.11530.353M8.0×1.25 6.80 6.912 6.6471-1/2-634.0034.29033.528M9.0×1.257.807.9127.6471-3/4-539.5039.82738.964M10×1.58.508.6768.3762-4-1/245.2045.59344.679M11×1.59.509.6769.376M12×1.7510.3010.44110.106M14×2.012.0012.21011.835M16×2.014.0014.21013.835M18×2.515.5015.74415.294M20×2.517.5017.74417.294M22×2.519.5019.74419.294M24×3.021.0021.25220.752M27×3.024.0024.25223.752M30×3.526.5026.77126.211螺丝攻牙钻孔径和滚造径对照表公制粗螺纹美制粗螺纹规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M1.0×0.20.800.8210.783NO.0-80(1.524) 1.25 1.305 1.182M1.1×0.20.900.9210.883NO.1-72(1.854) 1.55 1.612 1.474M1.2×0.2 1.00 1.0210.983NO.2-64(2.184) 1.85 1.912 1.756M1.4×0.2 1.20 1.221 1.183NO.3-56(2.515) 2.10 2.197 2.025M1.6×0.2 1.40 1.421 1.383NO.4-48(2.845) 2.40 2.458 2.271M1.7×0.2 1.45 1.500 1.460NO.5-44(3.175) 2.70 2.740 2.551M1.8×0.2 1.60 1.621 1.583NO.6-40(3.505) 2.90 3.022 2.820M2.0×0.25 1.75 1.785 1.729NO.8-36(4.166) 3.50 3.606 3.404M2.2×0.25 1.95 1.985 1.929NO.10-32(4.826) 4.10 4.165 3.963M2.3×0.25 2.05 2.061 2.001NO.12-28(5.846)4.60 4.724 4.496M2.5×0.35 2.20 2.221 2.1211/4-285.50 5.588 5.360M2.6×0.35 2.20 2.246 2.1865/16-246.907.035 6.782M3.0×0.35 2.70 2.721 2.6213/8-248.508.6368.382M3.5×0.35 3.20 3.221 3.1217/16-209.9010.0339.729M4.0×0.5 3.50 3.599 3.4591/2-2011.5011.60711.329M4.5×0.5 4.00 4.099 3.9599/16-1812.9013.08112.751M5.0×0.5 4.50 4.599 4.4595/8-1814.5014.68114.351M5.5×0.5 5.00 5.099 4.9593/4-1617.5017.67817.323M6.0×0.75 5.30 5.378 5.1887/8-1420.5020.67520.270M6.0×0.5 5.50 5.550 5.4001-1223.2023.57123.114M7.0×0.75 6.30 6.378 6.1881-1/8-1226.5026.74626.289M7.0×0.56.506.5506.4001-1/4-1229.5029.92129.464规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M8.0×1.07.007.153 6.9171-3/8-1232.8033.09632.639M8.0×0.757.307.3787.1881-1/2-1236.0036.27135.814M8.0×0.57.507.5207.400M9.0×1.08.008.1537.917M9.0×0.758.308.3788.188M10×1.258.808.9128.647M10×1.09.009.1538.917M10×0.759.309.3789.188M10×0.59.509.5209.400M11×1.010.0010.1539.917M11×0.7510.3010.37810.188M12×1.510.5010.67610.376M12×1.2510.8010.91210.647M12×1.011.0011.15310.917M12×0.511.5011.52011.400M14×1.512.5012.67612.376M14×1.013.0013.15312.917M15×1.513.5013.67613.376M15×1.014.0014.15313.917M16×1.514.5014.67614.376M16×1.015.0015.15314.917M17×1.515.5015.67615.376规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M17×1.016.0016.15315.917M18×2.016.0016.21015.835M18×1.516.5016.67616.376M18×1.017.0017.15316.917M20×2.018.0018.21017.835M20×1.518.5018.67618.376M20×1.019.0019.15318.917M22×2.020.0020.21019.835M22×1.520.5020.67620.376M22×1.021.0021.15320.917M24×2.022.0022.21021.835M24×1.522.5022.67622.376M24×1.023.0023.15322.917M25×2.023.0023.21022.835M25×1.523.5023.67623.376M25×1.024.0024.15323.917M26×1.524.5024.67624.376M27×2.025.0025.21024.835M27×1.525.5025.67625.376M27×1.026.0026.15325.917M28×2.026.0026.21025.835M28×1.526.5026.67626.376规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M28×1.027.0027.15326.917M30×3.027.0027.25226.752M30×2.028.0028.21027.835M30×1.528.5028.67628.376M30×1.029.0029.15328.917M32×2.030.0030.21029.835M32×1.530.5030.67630.376M33×3.030.0030.25229.752M33×2.031.0031.21030.835M33×1.531.5031.67631.376M35×1.533.5033.67633.376M36×3.033.0033.25232.752M36×2.034.0034.21033.835M36×1.534.5034.67634.376规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径G4-G6G7-G8G9G4-G6G7-G8G9M1.0×0.250.860.88-NO.2-56UNC 1.94--M1.1×0.250.960.98-NO.3-48 2.23--M1.2×0.25 1.06 1.08-NO.4-40 2.50--M1.4×0.3 1.24 1.25-NO.5-40 2.83--M1.6×0.35 1.41 1.43-NO.6-32 3.07--M1.7×0.35 1.51 1.53-NO.8-32 3.73 3.77-M1.8×0.35 1.61 1.63-NO.10-24 4.24 4.3-M2.0×0.4 1.78 1.80-NO.12-24 4.90 4.96-M2.2×0.45 1.95 1.98-1/4-20- 5.72-M2.3×0.4 2.08 2.10-5/16-18-7.24-M2.5×0.45 2.25 2.28-3/8-16-8.748.81M2.6×0.45 2.35 2.38-7/16-14-10.2010.30M3.0×0.5 2.73 2.75-1/2-13-11.2711.82M3.5×0.6 3.17 3.20-NO.2-64UNF 1.97--M4.0×0.7 3.62 3.65 3.69NO.3-56 2.27--M5.0×0.8 4.56 4.60 4.64NO.4-48 2.56--M6.0×1.0 5.45 5.50 5.55NO.5-44 2.86--M7.0×1.0 6.45 6.50 6.55NO.6-40 3.16--M8.0×1.257.317.387.44NO.8-36 3.78--M10×1.59.189.259.32NO.10-32 4.39 4.43-M10×1.259.319.389.44NO.12-28 4.99 5.04-M12×1.7511.0411.1211.211/4-28 5.85 5.90-M12×1.2511.3111.3811.445/16-247.367.41-3/8-24-9.00-7/16-20-10.4810.541/2-20-12.0712.13螺丝攻牙钻孔径和滚造径对照表公制迫牙丝攻钻孔径美制迫牙丝攻钻孔径规格精度等级规格精度等级最大最小NO.12-32 4.70 4.826 4.6232BA 4.0-41/4 -32 5.60 5.690 5.4863BA 5/16 -327.107.2647.0874BA 3.0-33/8 -328.708.8658.6615BA 2.7-27/16 -2810.2010.33810.1356BA2.4-21/2 -2811.8011.93811.7099/16 -2413.2013.38613.1325/8 -2414.8014.98614.7323/4 -2017.8017.95817.6787/8 -2021.0021.13320.8531 -2024.0024.30824.028美制特细螺纹英制电器螺纹规格钻孔规格(UNEF)标准径2级牙钻孔径使用绞刀时不用绞刀时PS 1/16 - 28 6.50 6.632 6.490PT 1/16 - 28 6.10 6.20 6.244 6.3841/16 - 27 6.10 6.25 6.35PS 1/8 - 288.508.6378.495PT 1/8 - 288.108.208.2498.3881/8 - 278.338.438.74PS 1/4 - 1911.4011.54911.341PT 1/4 - 1910.7011.0010.96211.1741/4 - 1810.7211.1311.13PS 3/8 - 1915.0015.05414.846PT 3/8 - 1914.2014.5014.44814.6583/8 - 1814.2714.2714.68PS 1/2 - 1418.5018.77318.489PT 1/2 - 1417.6018.0017.97918.2631/2 - 1417.4817.8618.26PS 3/4 -1424.0024.25923.975PT 3/4 - 1423.0023.5023.37823.6633/4 - 1422.6323.0123.42PS 1 - 1130.2030.47130.111PT 1- 1129.0029.5029.45929.822 1 - 11-1/228.5828.9829.36PS 1-1/4 - 1138.8039.13238.772PT 1-1/4 - 1137.5038.0037.97638.3391-1/4-11-1/237.3137.6938.10PS 1-1/2 - 1144.8045.02544.665PT 1-1/2 - 1143.4044.0043.86944.2321-1/2-11-1/243.6644.0444.45PS 2 - 1156.5056.83656.476PT 2 - 1154.9055.5055.41255.8442 - 11 - 1/255.5855.9656.36钻孔径最大最小使用纹刀时不用纹刀时NPTNPS 标准径有交牙部之长度(最小)中之毋螺牙内径标准长度(最小)中之毋螺牙内径规格规格标准径钻孔径规格螺丝攻牙钻孔径和滚造径对照表英制管螺纹英制管螺纹美制管螺纹硬材软材W 1/8 - 40 2.65 2.60M3×0.5 2.63-2.60SM1/8-40 2.735-2.688W 5/32 - 32 3.25 3.20M3.0×0.6 2.56-2.53SM1/8-44 2.769-2.722W 3/16 - 24 3.75 3.70M3.5×0.6 3.06-3.03SM9/64-40 3.128-3.083W 1/4 - 20 5.10 5.00M4.0×0.7 3.49-3.45SM11/64-40 3.855-3.805W 5/16 - 18 6.60 6.50M4.0×0.75 3.45-3.41SM3/16-32 4.205-4.155W 3/8 - 168.007.90M4.5×0.75 3.96-3.92SM3/16-28 4.143-4.093W 7/16 - 149.409.30M5.0×0.8 4.43-4.38SM7/32-32 5.003-4.955W 1/2 - 1210.7010.50M5.0×0.9 4.36-4.31SM15/64-28 5.325-5.570W 9/16 - 1212.3012.00M6.0×1.0 5.30-5.25SM1/4-40 5.890-5.735W 5/8 - 1113.7013.50M7.0×1.0 6.30-6.25SM1/4-28 5.721-5.366W 3/4 - 1016.7016.50M8.0×1.07.28-7.23SM9/32-28 6.508-6.648W 7/8 - 919.5019.30M8.0×1.257.12-7.07SM11/32-288.092-8.432W1 - 822.4022.00SM3/8-288.880-8.015W 1-1/8 - 725.0024.80SM7/16-2810.466-10.401W 1 - 1/4 - 728.3028.00SM7/16-1610.037-9.967SM1/2-2011.819-11.749SM9/26-2013.400-13.425规格滚造径规格(UNEF)钻孔径规格滚造径螺丝攻牙钻孔径和滚造径对照表英制螺纹公制螺纹针车用螺纹。
螺丝攻牙钻孔径和滚造径对照表
英 制 粗 螺 紋 規格(UNC) 滾造徑
NO.5 NO.6 NO.8 NO.10 NO.12 1/4 5/16 3/8 7/16 1/2 9/16 -40 2.70 -32 -32 -24 -24 -20 -18 -16 -14 -13 -12 2.95 3.60 4.09 4.75 5.50 6.98 8.45 9.89 11.39 12.87 2.67 - 2.91 - 3.57 - 4.05 - 4.70 - 5.45 - 6.93 - 8.40 - 9.83 - 11.32 - 12.80
M1.0× 0.25 0.86 0.88 ── M1.1× 0.25 0.96 0.98 ── M1.2× 0.25 1.06 1.08 ── M1.4× 0.3 1.24 1.25 ── M1.6× 0.35 1.41 1.43 ── M1.7× 0.35 1.51 1.53 ── M1.8× 0.35 1.61 1.63 ── M2.0× 0.4 1.78 1.80 ── M2.2× 0.45 1.95 1.98 ── M2.3× 0.4 2.08 2.10 ── M2.5× 0.45 2.25 2.28 ── M2.6× 0.45 2.35 2.38 ── M3.0× 0.5 2.73 2.75 ── M3.5× 0.6 3.17 3.20 ── M4.0× 0.7 3.62 3.65 3.69 M5.0× 0.8 4.56 4.60 4.64 M6.0× 1.0 5.45 5.50 5.55 M7.0× 1.0 6.45 6.50 6.55 M8.0× 1.25 7.31 7.38 7.44 M10× 1.5 9.18 9.25 9.32 M10× 1.25 9.31 9.38 9.44 M12× 1.75 11.04 11.12 11.21 M12× 1.25 11.31 11.38 11.44 注: 無槽溝絲攻之鑽孔徑,在上表所 列之數值,由於被加工材料之材 質、硬度、形狀、尺寸等之影響 ,多少會有所變動,因此於參考 上表之同時,亦請增減若干。
螺丝攻牙钻孔径和滚丝径对照表
31.676
31.376
M35×1.5
33.50
33.676
33.376
M36×3.0
33.00
33.252
32.752
M36×2.0
34.00
34.210
33.835
M36×1.5
34.50
34.676
34.376
签名档:
螺丝攻牙钻孔径和滚丝径对照表
公制挤压丝攻钻孔径
美制挤压丝攻钻孔径
规格
M20×1.0
19.00
19.153
18.917
M22×2.0
20.00
20.210
19.835
M22×1.5
20.50
20.676
20.376
M22×1.0
21.00
21.153
20.917
M24×2.0
22.00
22.210
21.835
M24×1.5
22.50
22.676
22.376
M24×1.0
M30×1.5
28.50
28.676
28.376
M30×1.0
29.00
29.153
28.917
M32×2.0
30.00
30.210
29.835
M32×1.5
30.50
30.676
30.376
M33×3.0
30.00
30.252
29.752
M33×2.0
31.00
31.210
30.835
M33×1.5
25.376
M27×1.0
26.00
26.153
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
1 - 1/4 - 7
SM7/16-16
签名档:
英制管螺纹
英制管螺纹
美制管螺纹
规格
标准径
钻孔径
规格
标准径
有交牙部之长度(最小)中之毋螺牙内径
标准长度(最小)中之毋螺牙内径
规格
钻孔径
最大
最小
使用绞刀时
不用绞刀时
NPT
NPS
使用绞刀时
不用绞刀时
PS 1/16 - 28
PT 1/16 - 28
螺丝攻牙钻孔径和滚丝径对照表
公制粗螺纹
美制粗螺纹
规格
标准径
2级牙钻孔径
规格(UNC)
标准径
2级牙钻孔径
最大
最小
最大
最小
×
×
×
×
×
×
×
NO8-32
×
×
×
1/4-20
×
5/16-18
×
3/8-16
×
7/16-14
×
1/2-13
×
9/16-12
×
5/8-11
×
3/4-10
×
7/8-9
×
1
×
1-1/8-7
×
-
1/2-20
-
签名档:
美制特细螺纹
英制电器螺纹
规格
标准径
2级牙钻孔径
规格
钻孔径
最大
最小
2BA
-32
3BA
5/16 -32
4BA
-32
5BA
-28
6BA
-28
9/16 -24
5/8 -24
3/4 -20
7/8 -20
1 -20
签名档:
螺丝攻牙钻孔径和滚丝径对照表
英制螺纹
公制螺纹
针车用螺纹
规格(UNEF)
1-1/4-7
×
1-3/8-6
×
1-1/2-6
×
1-3/4-5
M10×
2-4-1/2
M11×
M12×
M14×
M16×
M18×
M20×
M22×
M24×
M27×
M30×
签名档:
螺丝攻牙钻孔径和滚丝径对照表
公制细螺纹
美制细螺纹
规格
标准径
2级牙钻孔径
规格(UNC)
标准径
2级牙钻孔径
最大
最小
最大
最小
×
×
×
×
×
钻孔径
规格
滚丝径
规格
滚丝径
硬材
软材
W 1/8 - 40
M3×
5/32 - 32
×
3/16 - 24
×
1/4 - 20
×
5/16 - 18
×
3/8 - 16
×
7/16 - 14
×
1/2 - 12
×
9/16 - 12
×
5/8 - 11
×
3/4 - 10
×
7/8 - 9
×
- 8
SM3/8-28
1-1/8 - 7
G7-G8
G9
×
-
-
-
×
-
-
-
×
-
-
-
×
-
-
-
×
-
-
-
×
-
-
×
-
-
×
-
-
×
-
1/4-20
-
-
×
-
5/16-18
-
-
×
-
3/8-16
-
×
-
7/16-14
-
×
-
1/2-13
-
×
-
-
-
×
-
-
×
-
-
×
-
-
×
-
-
×
-
-
M10×
-
M10×
-
M12×
1/4-28
-
M12×
5/16-24
-
3/8-24
-
-
7/16-20
美制细螺纹
规格
标准径
2级牙钻孔径
规格(UNC)
标准径
2级牙钻孔径
最大
最小
最大
最小
M11×
M11×
M12×
M12×
M12×
M12×
M14×
M14×
M15×
M15×
M16×
M16×
M17×
M17×
M18×
M18×
M18×
M20×
M20×
M20×
M22×
M22×
M22×
M24×
M24×
M24×
M25×
M25×
英制螺纹
圆拄管螺纹
螺纹直径
(英寸)
每英寸牙数
钻头直径(毫米)
螺纹直径(英寸)
每英寸牙数
钻头直径(毫米)
铸铁、黄铜、青铜
钢、可锻铸铁
3/16
1/4
5/16
3/8
1/2
5/8
3/4
7/8
1
11/8
11/4
11/2
13/4
2
24
20
18
16
12
11
10
9
8
7
7
6
5
41/2
8
25
34
1/8
1/4
3/8
1/2
1/16 - 27
PS 1/8 - 28
PT 1/8 - 28
1/8 - 27
PS 1/4 - 19
PT 1/4 - 19
1/4 - 18
PS 3/8 - 19
PT 3/8 - 19
3/8 - 18
PS 1/2 - 14
PT 1/2 - 14
1/2 - 14
PS 3/4 -14
PT 3/4 - 14
×
×
×
×
×
×
1/4-28
×
5/16-24
×
3/8-24
×
7/16-20
×
1/2-20
×
9/16-18
×
5/8-18
×
3/4-16
×
7/8-14
×
1-12
×
1-1/8-12
×
1-1/4-12
×
1-3/8-12
×
1-1/2-12
×
×
×
M10×
M10×
M10×
M10×
螺丝攻牙钻孔径和滚丝径对照表
公制细螺纹
3/4
1
11/4
13/8
11/2
28
19
19
14
14
11
11
11
11
3/4 - 14
PS 1 - 11
PT 1- 11
1 - 11-1/2
PS 1-1/4 - 11
PT 1-1/4 - 11
1-1/4-11-1/2
PS 1-1/2 - 11
PT 1-1/2 - 11
1-1/2-11-1/2
PS 2 - 11
PT 2 - 11
2 - 11 - 1/2
签名档:
英制螺纹螺母孔径
M25×
M26×
M27×
M27×
M27×
M28×
M28×
M28×
M30×
M30×
M30×
M30×
M32×
M32×
M33×
M33×
M33×
M35×
M36×
M36×
M36×
签名档:
螺丝攻牙钻孔径和滚丝径对照表
公制挤压丝攻钻孔径
美制挤压丝攻钻孔径
规格
精度等级
规格(UNC)
精度等级
G4-G6
G7-G8
G9
G4-G6